Cu Peptide Before and After: What to Expect for Skin and Hair GHK Cu Research Compound Power Peptides I posted about GHK CU about two weeks ago and had a ton of people ask me questions about it in terms of how it works, but also asking about my personal experience. I am not done treatment yet, but in Copper Peptides Before and After: Visible Skin Improvements Explained Hubmed GHK CU Peptide Medshape Weight Loss Clinics 6 month GHK CU check in Main takeaway: skin transformation takes time. GHK CU peptide binds to copper and activates genes involved in wound healing, collagen synthesis, and skin remodeling. On the face, this translates